Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 57
PROBLEM V.To bisect a given angle or a given aic. Let A CB be the given angle,and AEB the given arc. From the points A and B, ascentres, describe with the sameradius two arcs cutting each otherin D. Through D and the centreC, draw CED, and it will dividethe angle ACB into two equal parts, and also…
Geometry · Plane trigonometry
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